diff --git a/image_similarity/main.py b/image_similarity/main.py
index 9ca6660..9a33d98 100644
--- a/image_similarity/main.py
+++ b/image_similarity/main.py
@@ -7,6 +7,8 @@ from retrieval_index import RetrievalIndex
 
 from utils import logger
 
+import os
+
 app = Flask(__name__)
 api = Api(app)
 
@@ -48,7 +50,7 @@ api.add_resource(SearchIndex,'/search/')
 
 if __name__ == '__main__':
     logger.info('starting server')
-    server = WSGIServer(('0.0.0.0', 8002), app)
+    server = WSGIServer(('0.0.0.0', int(os.environ['IMAGE_SIMILARITY_SERVER_PORT'])), app)
     server_thread = gevent.spawn(server.serve_forever)
     gevent.joinall([server_thread])